What is the difference between tuned and un-tuned percussion instrument?

Tuned percussion instruments produce a specific pitch when struck, while untuned percussion instruments do not.

Tuned percussion instruments include:

- Glockenspiel

- Xylophone

- Marimba

- Vibraphone

- Chimes

Untuned percussion instruments include:

- Bass drum

- Snare drum

- Tom-toms

- Cymbals

- Triangle

- Tambourine